Seiko Cal. 5640 - 675

The 5640-675 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-fd09fd04e0d9]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1997

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